Peak Input Power. 210W. Rated Input Power. 21W Impedance 4 ohms. Woofer Features. 4inch PP Cone. Sensitivity: 90 dB / W / m.</br>Frequency Response: 45 Hz - 20k Hz. Cutout Diameter: 3-5/8inch. Mounting Depth: 1-11/16inch. Speaker Diameter: 4".</br>Dimension: 9.5"Lx 5"Wx 3"H.</br>Weight: 1.3 Lbs.</br></br>Product Description</br></br>The Kenwood KFC-C1055S 4" 2-way car coaxial speakers can handle 210 watts of MAX power per pair and 21 watts of RMS power per pair. They feature a 4" PP cone with a ferrite magnet and a cloth surround woofer. Also?? the steel black basket reduces noise cancellation to help you achieve superior sound. The Kenwood KFC-C1055S makes for a great option when upgrading from your factory speakers! 210W MAX power 4inch PP Cone Impedance 4 ohms 1 buy = 2 speakers 1 Year VMInnovations Warranty!</br><br/>http://www.amazon.com/gp/product/B00II9EQO6